For over 45 years, IQAir has led the air purification industry, and has the top rated air purifiers in the world! The HealthPro Plus has won more #1 product awards than any other air purifier, including Consumers Digests' exclusive "Best Buy" in the premium air purifier category. The HealthPro Plus is used by hospitals in more than 100 countries to help protect caregivers against contagious diseases like SARS, MRSA, tuberculosis and Avian flu - and it is the #1 air purifier recommended by doctors for patients with Allergies and Asthma.